This workshop repair service manual covers the JCB Wheel Loading Shovel models 406, 407, 408, and 409, with serial numbers starting from 630000 for the 406/408 series and 632700 for the 407/409 series. These machines are engineered for robust performance and reliability in demanding work environments, featuring heavy-duty construction and versatile operational capabilities. The manual provides comprehensive information for all models, engines, trim, and transmission types, ensuring detailed coverage for the entire range. The purpose of this manual is to provide essential information for the service, maintenance, troubleshooting, diagnostics, and repair of your JCB Wheel Loading Shovel. It includes detailed procedures, technical specifications, wiring diagrams, and important service bulletins. This resource is designed to assist owners, mechanics, and technicians in keeping the equipment in optimal working condition, ensuring longevity and efficient operation through accurate and thorough guidance.